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Its wear plate makes it suitable for intensive use, both in the gym and at the crag. The assisted braking function makes belaying more convenient when holding a climber or catching a fall. 11220 Hindry Ave, Los Angeles, CA 90045 The engineers over at Petzl must never be satisfied, because while the Grigri is already a best-seller, and perhaps the most popular assisted braking belay device on the market, the Grigri + Belay Device offers a smoother, safer performance than its predecessors. Sender One has the largest and tallest top rope and lead climbing walls (up to 50 feet) in Los Angeles and Orange County. Built for multi-purpose use, the Petzl Grigri Plus Belay Device can be used for both gym and crag climbing. The GriGri is one of the most reliable catchers among all belay devices. A GRIGRI (often styled as GriGri) is an assisted braking belay device manufactured by Petzl designed to help secure rock-climbing, rappelling, and rope-acrobatic activities.Its main characteristic is a clutch that assists in braking under a shock load.The success of this device has led to grigri becoming a common name for devices of this type. Also featuring Funtopia adventure center, a fun, colorful, interactive climbing invention on auto-belays, great for birthday parties and groups. It is designed so the rope runs over a spring-loaded cam inside the device. The GRIGRI is a belay device with assisted braking designed for belaying both in the gym and at the crag. 1441 Village Way, Santa Ana, CA 92705. When upward tension is placed on the rope, the friction rotates the cam that pinches the rope. Petzl Grigri Plus Belay Device GRIGRI + is a belay device with assisted braking and anti-panic handle. Compatible with single ropes from 8.5 to 11 mm. Compact and lightweight, it can be used with single ropes from 8.5 to 11 mm.