Random Question

[Lightning]

A friend is currently doign a crossword and has asked me a horse related question which I am struggling with.

Question: A horse restraint

It has 6 letter and begins with B

Can anyone help?

 

[PaintboxEDT]

bridle ?

 

[mandyl]

bridle

 

[merlinsquest]

hobble??

 

[merlinsquest]

OMG I cant believe that i didnt see that it started with B

Oh well its got b's in it