A carabiner is a metal fastener sometimes used for mountain climbing but other times used for other types of fastening. Why would a carabiner that is not strong enough for mountain climbing have a warning saying "Not For Climbing?"

The manufacturer is trying to avoid strict liability for ultrahazardous activity

The manufacturer is trying to avoid a strict liability claim for failure to warn

The manufacturer is trying to avoid a strict liability claim for design defect

The manufacturer is trying to avoid a strict liability claim for manufacturing defect