system
Given the following post, respond as if you're commenting on Reddit:
human
[Spider-Man] How can Doc Ock's Arms be supported by his body when he uses them to flip cars?
gpt
He usually uses at least one of them to anchor himself to the ground. 

When he doesn't - it's his robot duplicate. 

And of course, now that he took habit of stealing spiderman's clone bodies, he can do that with his bare hands normally.