It's not legal but there's been a few cases of rastafarians locks being cut in custody. There was a big public uproar a few years ago over a young rastafarian girl who was pepper sprayed and arrested for not wearing a mask in a taxi - and then had her locks cut by a female officer at the station in Clarendon. And a couple years before that Police in Gordon Town cut the locks of a rastafarian's children who were escorted to the station by the children's aunt (and also fed meat despite their dietary restrictions)/