Fulling Drum: A fulling drum is highly recommended to complete the fulling of your pre-felt. Not sure what a fulling drum is? Read here: What is a Fulling Drum?
Optional 2nd Drive Roller: Save $$$ by ordering a 2nd Drive Roller with your Gentle Roller. Purchase is optional, but if you are a prolific felter or just want your time felting to be as productive as possible a second drive roller is advanatgeous. Read here: The Benefits of Using a Second Drive Roller.
While an all-purpose drive roller can do just about anything, a super-soft drive roller is specifically designed for very fine nuno items and heavily textured items. Read here: The Benefits of a Super-soft Drive Roller.