The strapless design of the paddles heightens stroke awareness to improve technique.The ergonomically advanced design of the Instinct sculling paddles helps teach swimmers the correct palm positive hand positionwhile sculling. The Instinct sculling paddles' convex design promotes an early catch and an early vertical forearm position in the sculling motion. The Instinct sculling paddles are a versatile tool for all four swim strokes and are available in two sizes: Medium & Large.