My friend gave me an Elvie pelvic trainer which is supposed to be good for new mums. However, I am not going to use it, I haven't opened it either. It's totally unused and unopened. The cost from the website is £169 and I sell it £120.
https://www.elvie.com/shop/elvie-traine ... gIfUPD_BwE
Please let me know if you're interested.