iv always used jills as bolters an never really had any problems with lay ups or anything, but it annoyed me hearing the squeals of a bunny an knowing id have to leave it, so i bought a locator a few seasons ago an got meself a big hob, i used him like an old fashioned liner, but without the line, if i heard a squeal i sent him down an dug him out, was quite impressed, then at start of this season i got another hob to look after an he was a demon of a ferret, stick a collar on him an let him an within minutes you was digging him out haha, a good few member of this site have seen this hob work