I've seen those little pipes for years, but never bought one. They can be had for really modest prices, so I wouldn't spend a lot. My feeling is that many smaller pipes fit pockets just about as well and don't have the potential annoyance of a swivel stem. I have a handsome, hand carved bent billiard of compact proportions that does the trick. I wouldn't recommend a very slender pipe, like the Peterson Belgique, that might break getting bent or dropped. Something of small proportions but of fairly thick construction does best. However, one of these little folding pipes might turn out to be a great take-along companion. I'll be interested to hear from anyone who has and regularly uses one, and believes in them.