(1) Know very little about slip bobbers but struggled with traditional bobber stops of various designs, especially when sitting several foot deep. Fellow suggested unwaxed (important) dental floss, tie a hard knot at depth needed, cinch it down much as possible and trim the ends.
(2) When Monty unbuttons the side flaps of those 30 year old overalls and starts airing himself out put the trolling motor on highest speed available and exit the immediate area.