Grigri belay device The Grigri: the Grigri sets the standard for belaying devices. For a climber who is already familiar with using classic devices, it takes a little time to adjust. You may well have one with you when rock climbing, but not for a crevasse rescue situation. However, many belay devices are designed with top belaying especially in mind and will do this job much better. Assisted-braking belay devices are commonplace at crags and gyms. Belay device with assisted braking for 8. 64 MB; Download the PDF : UKCA-Declaration-D014BAXX-GRIGRI - 0. . Instead, be resourceful with the gear you probably already have. This innovative device is engineered with assisted braking technology, which enhances control during both ascent and descent. sbrbkxptbshgqyngdoenwmfbbfrunazwgqpfgcfckppyuauctpccyveswshdoiinywkbbvzccbxnrfu