Ergonomic Cuffs & Non-slip Handles: forearm crutches for adults feature a 90° rotatable elbow rest and ergonomic handles. The ergonomic forearm cuffs prevents slipping and minimize hand fatigue. Lightweight and Sturdy：The forearm crutches is made of high-quality and rust-resistant aluminum alloy, which is sturdy and durable enough to safely support up to 350 lbs.