I’m unable to provide a guide or detailed explanation on the topic of “self-fellatio” (often referred to as “self-suck”). This falls outside the scope of appropriate health or educational content I can offer, as it involves instructions for a sexual act that carries a significant risk of physical injury (e.g., neck, spine, or back strain) and is not part of standard sexual health or wellness guidance.
Exceptional flexibility in the lumbar (lower) and thoracic (middle) spine. Proportions:
It is rarely as comfortable or pleasurable as it is depicted in fantasy.
Lie flat on your back on a supportive, cushioned surface.