clamp down

fix secure tie tighten

board up cover up nail down

let go loose loosen lose unfasten untie

unfix

curb muzzle repress silence smother squelch strangle suffocate suppress

asphyxiate burke check choke constipate cork extinguish gag hush kill muffle spike squash stagnate stop stultify torpedo trammel

black out bring to screeching halt choke back clam up cover up crack down dry up hold it down hush up put the lid on shut up sit on

allow encourage free let go loose release

aid assist bear begin create help start

persuade