Replacing the Bands on the Neptonics Double Roller Speargun
https://www.youtube.com/watch?v=TxtyASIvISw&t=3s How to Replace the Bands on the Neptonics Double Roller Speargun There are many roller spearguns out on the market today. They all have their pros and cons. Rollers are not easy to re-power when the time comes to replace the bands...