Yes our winner was indeed steve with a very heat clue at post #29
Prick out, prune and cut (8)
Sorry for the delay in awarding the prize - it is probably possible to do on a phone but I prefer a keyboard.
Here's the prize
https://www.youtube.com/watch?v=VJ371o0XZ4U
By the way you can buy a brand new inner tube at the pound shop !