stretcher head meaning in Hindi

The charges against Asano included " beating using hands, fists, club; kicking; water torture; burning using cigarettes; strapping on a stretcher head downward . " The specifications in the charges with regard to " water torture " consisted of " pouring water up [ the ] nostrils " of one prisoner, " forcing water into [ the ] mouths and noses " of two other prisoners, and " forcing water into [ the ] nose " of a fourth prisoner.