Help required

In ds2 can you jump down the hole at the boulder trap in the forest of fallen giants? If so please show vid cos I can't find one on line .and I've watched a good hour or so of footage 100% walk through vids secret vids yet it says it can be done . I've health out the wazoo all the fall clobber spells rings ect but I die just jump in and show me 🙏