Posted 3/26/2026 22:33 (#11598286 - in reply to #11598030) Subject: RE: Modifying nh3 knife for wire
South Central IA
Yep, I buried my invisible dog fence that way. I used an old NH3 knife with a vapor tube, I heated and bent the tube rearward. It worked great but you had to walk behind the tractor and hand feed the wire or it would bind coming off the spool.