Daniel Hersh Posted April 29 Share Posted April 29 I wasn't sure whether to put this one here, in History. or in Ergonomics! It's "The Grip Concertina", now on eBay at https://www.ebay.co.uk/itm/314556414316 . I have no connection to the sale. Quote Link to comment Share on other sites More sharing options...
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.