tubular tire with casing sewn around inner tube.
To place protection close together along a route in excess compared to common practice. Sewing a route on good rock or snow adds to safety by reducing the potential fall distance and the potential fall force reaching an anchor. In poor rock or soft snow the safer technique is to use the same amount or more protection to create fewer anchor points, ...
Sew up is old slang for exhaust; tire out; confound, outwit, cheat, swindle.
old slang for exhaust; tire out; confound, outwit, cheat, swindle.