Shutter dogs have nothing to do with pets despite the name. They are the small S-shaped iron fasteners that hold a working exterior shutter flat against the wall so it does not bang in the wind, and choosing them comes down to material, finish, and how many you need. Each shutter typically needs one or two holdbacks, so pack count matters as much as quality. We compared decorative S-style sets in different finishes and a cast iron option, looking at how the holdback actually grips and pivots, whether the finish resists rust outdoors, and how the mounting hardware is included. Cast iron has a traditional look and real heft, but any exterior piece lives or dies by its coating, since untreated metal streaks rust down your siding within a season. We also weighed the screws and anchors that come in the box, because a beautiful shutter dog is useless if you have to source separate fasteners. Measure your shutters and count your windows first, then buy a pack size that covers them with a spare or two. The right finish should match your existing exterior hardware.
Rust-Resistant Shutter Dogs: 5 Best Picks for Every Budget
Discover the top 5 shutter dogs for exterior shutters, where rust-resistant finish beats all. Our review covers the best hardware for weather survival, led by MorningRo 12 Pack Black S Style Shutter Dog Holders.
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★ Top Pick: MorningRo 12 Pack Black S Style Shutter Dogs 6.5 In…
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- Top Pick: MorningRo 12 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron). The MorningRo 12-pack S-style shutter dogs cover a whole house in one order with a consist.
- Best Value: MorningRo 6 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron). The Rainmae 8-pack S-style set offers a solid mid-size quantity at a friendly price for se.
- Best Traditional Look: Renovators Supply Cast Iron Shutter Fasteners - Decorative S Style Shutter Dogs Hardware - Rust Resistant External Shutter Tieback with Mounting Screws - 6.5 Inches, Sold in Pairs (Pack of 1). The Renovators Supply Cast Iron Shutter Fasteners - Decorative S Style Shuttercast iron sh.
- Best Small Pack: MorningRo 4 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron). The MorningRo 6-pack suits a few windows or a partial replacement without overbuying.
- Best for Single Window: Rainmae 8 Pack S Style Shutter Dogs Hardware, 6.3 Inches Decorative Shutter Dog Holders with Screws, External Shutters Tieback for Exterior Decorative Shutters, Black. The MorningRo 4-pack covers one to two windows, making it ideal for a small repair or a si.
Quick Comparison
| Product | Best For | |
|---|---|---|
| MorningRo 12 Pack Black S Style Shutter Dogs … | Top Pick | Check price → |
| MorningRo 6 Pack Black S Style Shutter Dogs 6… | Best Value | Check price → |
| Renovators Supply Cast Iron Shutter Fasteners… | Best Traditional Look | Check price → |
| MorningRo 4 Pack Black S Style Shutter Dogs 6… | Best Small Pack | Check price → |
| Rainmae 8 Pack S Style Shutter Dogs Hardware,… | Best for Single Window | Check price → |
Despite the name these are exterior shutter hardware, not pet products, so the deciding factor is a rust-resistant finish that survives weather rather than anything to do with animals.
Types Explained
S-style holdback set
Classic S-shaped decorative shutter dogs that pivot to hold a shutter flat against the wall.
Best for: Traditional and colonial exteriors that need a clean, period-correct holdback.Cast iron fastener
A heavier cast iron shutter dog with a traditional look and real weight.
Best for: Owners wanting authentic heft and a classic finish, ideally with a protective coating.Multi-pack value set
Larger packs of holdbacks for outfitting several windows at once.
Best for: Whole-house projects where you need many matching pieces in one order.Top 5 Picks
MorningRo 12 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron)
The MorningRo 12-pack S-style shutter dogs cover a whole house in one order with a consistent black finish and included mounting hardware. The large count and matching finish make a multi-window project simple.
MorningRo 6 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron)
The Rainmae 8-pack S-style set offers a solid mid-size quantity at a friendly price for several windows. It hits the sweet spot for a typical front-of-house job.
Renovators Supply Cast Iron Shutter Fasteners - Decorative S Style Shutter Dogs Hardware - Rust Resistant External Shutter Tieback with Mounting Screws - 6.5 Inches, Sold in Pairs (Pack of 1)
The Renovators Supply Cast Iron Shutter Fasteners - Decorative S Style Shuttercast iron shutter fasteners bring authentic heft and a classic S-style profile. Seal any worn spots to keep the iron from streaking rust on exterior walls.
MorningRo 4 Pack Black S Style Shutter Dogs 6.5 Inches Shutter Dog Holders with Mounting Hardware External Shutters Tieback for Exterior Decorative (Iron)
The MorningRo 6-pack suits a few windows or a partial replacement without overbuying. It is the right size when you only need to outfit two or three shutters.
Rainmae 8 Pack S Style Shutter Dogs Hardware, 6.3 Inches Decorative Shutter Dog Holders with Screws, External Shutters Tieback for Exterior Decorative Shutters, Black
The MorningRo 4-pack covers one to two windows, making it ideal for a small repair or a single accent shutter. Keep one as a spare against future weather damage.
Key Buying Factors
Material and weather resistance
Cast iron looks traditional and feels solid, but any exterior piece needs a rust-resistant coating. Untreated metal streaks rust down siding within a season, so the finish matters as much as the metal.
Holdback mechanism
The S-style pivot should grip the shutter firmly and swing freely when you want to close it. A holdback that does not hold lets shutters bang in the wind.
Pack count per window
Each shutter usually needs one or two holdbacks. Count your windows and shutters, then buy a pack with a spare or two so you are not reordering for one missing piece.
Included mounting hardware
Confirm screws and anchors come in the box and suit your wall material. A shutter dog without the right fasteners means a second trip to the store.
Care, Cost and Maintenance
Seal or paint exposed metal
If a piece chips or the coating wears, touch it up with exterior metal paint to stop rust from streaking onto your siding.
Check the pivot yearly
Exterior hardware seizes over time. A drop of suitable lubricant on the pivot once a year keeps the holdback swinging freely so you can close shutters in a storm.
Tighten mounting screws seasonally
Wind and temperature swings loosen fasteners. Snug the mounting screws each season so the holdback stays firmly anchored to the wall.
Buy one or two extra holdbacks beyond your window count, since matching a discontinued finish later to replace a single rusted piece is far harder than having a spare on hand.
Frequently asked questions
Are shutter dogs a pet product?
How many shutter dogs do I need?
Will cast iron shutter dogs rust outdoors?
Do they come with mounting screws?
How we made this guide
How we chose. We compared the options on the factors that matter most for Dogs, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.
How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.
Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.
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Sources and further reading
Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.