You can pay $20K+ year for someone to explain things to you, or use Google and find the answer in less than 1 minute:
https://www.tradition.com/media/267051/ ... r-2017.pdf
"1.1 The following product types shall be eligible for admission to and capable of being traded on the Platform: [...]
‘Gadgets’, being Euro interest rate swaps dated from spot to specified outright maturity dealt with a future hedge of corresponding size, quoting the front two contracts."
I also learned a new word: "cockdated". It means "maturing at a non-standard date" (
https://onlinelibrary.wiley.com/doi/pdf ... 8330.gloss)