A wag-halter is a person who moves or wears a halter, or a person who is likely to be hanged.

wag wag

Wag is a verb (to wag) and a noun (a wag).

halter traing is ground work, and teaching a young horse to lead on a halter.

if they have a halter on: take a lead line and clip it to the bottom of the halter and lead your pony to the barn

If they Do not have a halter on: Take a lead lin and a halter. Walk up to them and if you cant put the Halter on, then wrap the lead line gently atound their neck and hold them until you can put the halter on.