The LR-40 Pearl Heavy Duty Leg Rest is great for snare or tenor drummers using a sling. The LR-40 Pearl Heavy Duty Leg Rest offers a cushion for your leg while using traditional marching drums.The LR-40 Pearl Heavy Duty Leg Rest is attached to two bolts and tightened with wing nuts. Mounting the leg rest on the drum is very quick and easy. No tools are required, and nothing needs to be removed from the drum. While designed for use with Pearl's tenor and snare drums, the LR-40 could also be used with traditional tenors and HTS snares by most other manufacturers.