Narrowboats.
We've got one. At least, a share in one. Through Challenger Syndicateships we have a 5/48th part share in the 62 foot long trad, Warwick.
We are members of the Inland Waterways Association (IWA). Jan is even on the committee of the local branch and is the editor for their newsletter.
We are members of the Waterways Recovery Group (WRG), but only as 'non executive' members. That is, we pay our membership, send them bottle tops and stamps but don't get involved in the shovelling of large quantities of detritus or shopping-trolley retrieval! (I say that but we have retrieved quite a few shopping trollies in our time.)