Bungee jumping
Keeping spool (with SMB attached) from unwinding underwater
How to Survive a Snapped Bungee Cord
Why not attach spool to DSMB before the dive?, Page 13
Rigging Your DSMB- A New Take On An Old Problem
Reel vs Spool Which Is Better For Your DSMB
Why not attach spool to DSMB before the dive?, Page 13
Where is Best to Clip a dSMB & Spool? #askmark #scuba
How to store DSMB and reel for diving (More detail)