"Snaffled" is a word in ENGLISH

A sharp bit or snaffle.

The snaffle and rein of a military bridle, which acts independently of the bit, at the pleasure of the rider. …

The strap of a bridle, fastened to the curb or snaffle on each side, by which the rider or driver …

To put a snaffle in the mouth of; to subject to the snaffle; to bridle.

A kind of bridle bit, having a joint in the part to be placed in the mouth, and rings and …

of Snaffle