belaying through both parts of your harness

[milspecmark]

http://www.rockandice.com/climbing-gear ... -loop-myth

[ynot]

lever getting caught in the belay loop explains why so many people decked when the gri gri first became popular. there were plenty climbers arguing against its use at all but it was just too popular with sport climbers. I sold mine in an effort to lighten my rack. an atc just isn't as heavy.