With details that it make it more comfortable for your horse, the Vespucci Jumper Breastplate with Running Attachment is an excellent choice. It's padded at chest yoke and over withers. Double elastic on shoulders increases range of motion. Stainless steel hardware at yoke is positioned to prevent chafing and rubbing.
The Centaur® Cushioned Lunge Line is made of cushioned web that's easier on the hands. This 25 foot long lunge line has an end loop and swivel snap.
The Showmark Standing Martingale in Wickett & Craig American leather has a raised, stitched neck strap and a flat body strap. The neck strap of this standing martingale offers space for an optional namplate.
Dover's Lunge Line features exceptional quality and durability. Made of durable cotton webbing, it measures 35' long.
Shires Padded Lunge Line is made of soft webbing that has a bit of give but will not rub. Comfortable to hold. Available in several fun colors. 26' with trigger snap.