𝗦𝗹𝗶𝗽𝗽𝗲𝗱 𝗗𝗶𝘀𝗰? 𝗢𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗰𝗮𝘂𝘀𝗲𝘀 (spine doc explaining)