This series of clips was shot at the SMC (Seattle Manufacturing Corporation) factory in Washington. (Sorry the lighting and video quality are not great, even after editing.) This shows a steel carabiner breaking at 11,390 lbf (50.7 Kn); a rigging plate breaking at 13,350 lbf (59.4 kN); a locked off Figure 8 slipping at 2,600 lbf (11.6 kN); the top of an open-frame rack bending at 4,994 lbf (22.2 kN); and the nylon sheave on a small pulley breaking at 5,292 lbf (23.5 kN).

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