What type of boat cover fastener (i.e. snaps, straps, and magnets) is the most prominent or most common in the recreational boating industry? Which do you prefer? - Quora
Canvas Twist, Stud with #7x5/8 Tapping Screw - Budget Marine
Common Sense Twist Fastener Stud x2 | The Canvas Shop
WEST MARINE Canvas Fasteners - Twist Stud with Two-Prong Base & Clinch Plate | West Marine