If you have lost one, this is the replacement compression buckle.
Compression & Pack Straps for Camping & Backpacking
Molle Buckle Male Shoulder Strap — Iraqi Militaria
Sternum Strap (Adjustable) with Fidlock V-Buckle – Alpha One Niner
Harley-Davidson® Men's Ergonomic Comfort Genuine Leather Belt - Solid Brown - Wisconsin Harley-Davidson
Genuine Alligator 30mm Compression Belt Strap by Trafalgar Men's Accessories
Back Brace Men Women Lower Back Adjustable Breathable Lumbar - Temu Canada
Tennis Elbow Brace Pain Relief for Tendonitis with Metal Buckle Compression Pad with 4 Adjustable Band Straps 2-Count Arm Wrist Brace Fit for Women Men and Kids Physical Therapy Version-1 Blue
Men's Leather No Scratch Work Belt with Hook and Loop Closure by Boston Leather
Stretch-Loc Grippy Tension Straps (2 Pack)
Men's Compression Belt Straps—American Alligator and Java Lizard - The Lanam Shop
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FORGE MAGLOCK COMPRESSION STRAPS
HISUNTEC Straps Buckles Set 2 inch: Nylon Webbing Strap 6 yard + Side Release Plastic Buckle 5 pack + Tri-glide Slide Clip 10 pcs, Heavy Duty Quick
HISUNTEC Buckles Straps Set: Quick Side Release Plastic Buckles + Nylon Webbing Strap Band + Tri-glide Slide Clips