How to spider curl<br>Locate the right equipment. Typically you're going to need access to a gym if you want to do spider curls. Some gyms may have spider curl benches, but if yours does not, you can use a preacher curl bench.
The only species that can do spider curls better than humans are spiders themselves. 
( z1 spider :domain ( z2 species :mod ( z3 only ) :ARG0-of ( z4 curl :ARG1 ( z5 spider ) :ARG1-of ( z6 have-degree :ARG2 ( z7 good :ARG1 z4 ) :ARG3 ( z8 more ) :ARG4 ( z9 human ) ) ) :ARG1-of ( z10 possible ) ) )