Send us Fan Mail Okay. This is the most common question, at least after “when can we take the e-collar off?” Neither question has a straight answer, either. But I think the most succinct response is you can take it off when you can take it off (might be never) and the right level is the one that works (in most cases). Most people don’t realize that we can use our e-collars (aka big, scary shock collars) in a variety