In any case, once he made his rope, how did he fasten it to a metal grill eight feet above the ground?
They fasten their seat belts to drive one hundred yards across a parking lot.
His biggest apparent weakness: an inability to fasten more than two buttons on his shirt.
Old English fæstnian "make fast, firm," also "ratify, betroth," from Proto-Germanic *fastinojanan (cf. Old Frisian festnia "to make firm, bind fast," Old Saxon fastnon, Old High German fastnion, Old Norse fastna "to pledge, betroth"), from *fastuz (see fast (adj.)). Related: Fastened; fastener; fastening.