Hi Rob
I used something like this: ExeQianming Trampoline Tools Spring Pull T-Hook Tent Peg Puller for Jumping Trampoline https://www.amazon.co.uk/dp/B07Z7TZF6L/ref=cm_sw_r_cp_api_glc_fabc_GN7BGMBDBP4Q6CSJR8YD?_encoding=UTF8&psc=1
Getting the spring on wasn’t that bad. I did put one spring...