<P style="MARGIN: 0px">in the field I do. </P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">In water, never. You're dead right (sorry for the pun), the potential for a dog getting hung up by their collar on debri, decoy's, blind, etc. is too great to risk. </P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">In field trials, 99.9% of the time dogs do not wear collars in the water. Some judges mandate that you take off the collar.</P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">I'd rather spend the time making them steady than being forced to use a collar to hold them steady.</P> <P style="MARGIN: 0px"> </P> <P style="MARGIN: 0px">-MD</P>