RESTRAINING DEVICE

摘要

A restraining device fot restraining a round object (13) from rolling. The restraining device (11) comprises a body (15) hav- ing a base (17) for location against a support surface, and an opening (18) capable of expansion and contraction for receiving and clampingly retaining the round object. The base (17) is adapted for and is capable of deformation for maintaining stable con- tact with the support surface upon expansion and contraction of the opening (18).