The past tense of put a straitjacket on is also put a straitjacket on.
The third-person singular simple present indicative form of put a straitjacket on is puts a straitjacket on.
The present participle of put a straitjacket on is putting a straitjacket on.
The past participle of put a straitjacket on is put a straitjacket on.