Poly pipe joiner, 1 1/4"

I can't believe no-one has done this before.
It's a poly pipe joine for 1 1/4" ag pipe, green stripe, medium density pipe, what ever you want to call it. Plain old "ag pipe" in Oz.
You know what its like, it's a weekend, it's a 3 hour return trip to the hardware store but it's closed anyway, and you've just dug ut the pipe you forgot was there. As always, the box of spares in the shed has every other size except the one you want. No water for the animals till you fix it. Well here is one sol