I hate using them too. When I do, I also have ratchet straps that I tighten as I tighten the compressors. That way if the compressor(s) slip off, the straps keep the recoil under control. 2 man job but it's much safer. If the spring comes out without the straps you better hope it goes the...
Those tires that are hanging free are doing nothing for forward progress. The lockers are their saving grace. They need limiting straps or will soon need new shocks!