The best detacher is a high-powered magnet that can quickly and easily remove security tags from clothing and other merchandise. These magnets are typically used by retailers to remove security tags before selling items, but they can also be used by shoppers to remove tags before leaving the store. There are several different types of detachers available, but the most popular and effective type is the handheld detacher. This type of detacher can be easily carried in a purse or pocket, and it can quickly remove even the strongest security tags.