As I've mentioned here before several times, the late great fish'n'banjo put me onto small pipes, which I'd always seen as souvenirs or toys. His recommendation got me to try one, an Old Dominion cob, and now I have a row of various kinds (though I don't happen to keep them in a row}. I use them for sampling, taking the measure of really strong tobaccos, smoking in limited time slots, or getting an average length bowl from flake, coin, plug, or rope. Needless to say, you can't beat them for comfort when it comes to clenching. I have a Pete Belgique, an EWA churchwarden, pocket pipes by Stanwell and Jerry Perry, an Iwan Ries house pipe near-Oom-Paul made by Benton, a Scott Klein prince, and maybe one or two others I'm forgetting.