Premiere Rein 16mm Anti-slip Buckle Fastener BlackWant reins with a great grip? Check out the Premiere Anti slip Buckle Fastener Rein, 16mm wide. These reins are wrapped in rubber, so they're perfect for holding onto in any conditions. Excellent Grip The linen wrap with rubber ensures you won't lose your grip. Rides are smoother and safer, thanks to this thoughtful design. Leather Hand Stops These reins have leather hand and teat stops, providing that extra bit of control where you need it most.