The tag "bernstie" is unclear and seems to be a typographical error. However, I can provide some context on similar terms. The term "BDSM" refers to a range of sexual practices or roleplaying involving bondage, dominance and submission, sadism, and masochism. It includes various activities like flogging, spanking, restraining, etc., which involve one person having control over another in a consensual manner. Note that this interpretation is based on the possibility of "bernstie" being an abbreviation or misspelling related to BDSM.