The BowFinger Archery Medusa Drop Away Arrow Rest is easy and hassle free to setup yourself. The Medusa Arrow Rests come with a Drop-Lock Brake System that eliminates launcher bounce back. The BowFinger Archery Medusa Arrow Rest is quiet thanks to an internal robber stopping unit. The launcher arm has four different mounting positions. Exclusive hooked Launcher Arm holds the arrow and a slim arm is used for a spot on center shot. Both vertical and horizontal adjustments can be made. The Offset cord guarantees no arrow interference and on the Medusa arrow rest itself, the cord opening is designed to provide a longer cord life. This heavy duty, light weight, compact design CNC machined durable metal components, comes with a Limited Lifetime Warranty from BowFinger Archery. The BowFinger Archey Medusa Drop Away Arrow Rest includes a cable clamp and three launcher-arm felt pieces.