The Taylor Chain bit is has an action between a Waterford and a Snaffle. The Short length of twisted chain allows it to take the shape of the tongue and as a result distributing the pressure across the tongue like a Waterford. The ends the mouth piece act more like a snaffle exerting pressure on the bars.

Cheek Pieces

Loose Ring

2 and Half Ring

Williams

Pelham 55

Kimblewick

Tom Thumb

Taylor Tom Thumb