strengthener

clamp splint

arm band bar bearing block bolster boom bracer bracket buttress cantilever girder grip guy lever mainstay peg prop rafter reinforcement rib shore skid splice staff stanchion stave stay stirrup strut sustainer truss underpinning vice

aid assistance brace buttress column mainstay post shore stanchion stay strut truss underpinning

hindrance injury

analeptic boost bracer conditioner cordial drug fillip invigorator pick-me-up pickup refresher restorative stimulant

livener roborant shot in the arm