Any ways to bypass spigot?

So on minecraft, i use the hacked client, 'wurst'. My problem is i want to use jetpack, but spigot blocks me from it. Some servers dont have filters, but theyre not servers i know or are in very early development. Few servers let me use antimac, but i dont want to use weird fly mode… I want to use all hacks on wurst while bypassing spigot…

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