Hai cercato la traduzione di straitjacket da Inglese a Giapponese

straitjacket
拘束衣

you are the one stuck in a straitjacket. why are you...?
拘束服がからまってるのは あなたでしょ なんでそんな・・・？

and i think for this session we'll want to secure him in a straitjacket.
それとその時には

i know this looks scary and dangerous, but if i can do this, get out of the straitjacket...
i know this looks scary and dangerous, but if i can do this, get out of the straitjacket...