We handle our Ferret every day and take it for a walk with collar leash on.
If your walking them, you might as well go and do a few buries. Be better for them, plus they enjoy doing it. Doing one warren would give them more exercise, and stimulate there mind...
my ferrets bite me everytime i got to pick it up its a poley hob about 2yrs old but recently ive been handling him differently and with some advice on what to do hes about 95 percent sorted