From Ahead:

A perfect practice companion for marching drummers. This pad offers a real counter hoop for rimshots and a built-in snare sound for authenticity and high-tension snare response.

• ATTENTION: The carbon fiber surface will wear quickly when using Wood Tip Drumsticks. Nylon Tip
• spaceDrumsticks are highly recommended in extending the life of the carbon fiber surface
• Replaceable, black carbon fiber surface, with target impact pad for increased durability See AHSHPT
• A black powder-coated, steel S-Hoop that won't crack
• Snare sound, licensed under Patent # 6239340
• Soft, rubber, slip-resistant underside
• Realistic feel, rimshots, and cross-sticking
• Improves technique without ear damaging volume