How can you claim a no deposit bonus at a bitcoin casino?

Could you please elaborate on the steps required to claim a no deposit bonus at a bitcoin casino? I'm particularly interested in understanding the initial registration process, any verification steps that might be involved, and the specific conditions or restrictions that might apply to this type of bonus. Also, it would be helpful to know if there are any additional benefits or promotions that might be associated with claiming a no deposit bonus. Finally, are there any common pitfalls or things to avoid when claiming such a bonus? Thank you for your assistance.