Now my Virtuoso+ is complete 🤩

Andrew provides an outstanding, well designed and engineered product in a very timely manner. His communication is equally outstanding. I would highly recommend Introvert!

I use my kalita wave to rdt and shake the beans before loading into the zerno and this makes pouring the beans way easier.

I have a Vario W+(purchased 2024), grinding medium roast for pour over. The hopper feeds all beans and no beans popcorn out of the hopper(20g dose). When using the stock hopper for single dose, a few beans would always hang up on the bottom lip of the hopper. I would then have to brush them down, while grinding.

The bellows is a perfect fit and clears the grinder with two or three puffs. I was retaining .5 to 1.0 grams before using the bellows. I think the item description of 0 to 0.2 grams of retention using the bellows is accurate.

Referencing the photos on the website item page. My hopper is different, having the printing seam lining up with the index mark/narrow lug. Index mark aligns with where the shutoff knob/lever is on the stock hopper. The photo with the hopper filled with beans on a scale is weird. On a Vario, just plan on leaving the hopper installed.

The latest, silicone release of the INTROVERT bellows for the Breville Sage grinder is a big improvement on the previous 3D-printed version. The old-design bellows was already a great addition to the grinder, easily attaching to the hopper and significantly reducing retained grounds and the annoying last few dribbles after you grind. But the material from the 3D printed version was a bit stiff and it looked and felt less than professional. The silicone version blends seamlessly with the design of the grinder so that you'd never know it didn't come stock. I also no longer worry about wearing the material out with excessive use. The silicone has very smooth action and takes a very light touch, so there's no more splattering grounds all over the place. Its a really clever addition to the grinder and I'm very happy I upgraded to it.

I wasn’t sure about the claims made by the author about the efficacy of this tool, and only bought that tool, because it looked more sturdy than my previous no-name WDT tool from Amazon. Boy, was I wrong.

The previous tool was a challenge to evenly distribute the puck. The Introvert one makes WDTing a breeze. The puck becomes even and fluffy with little effort. The resulting coffee is also decent. I regret not buying this sooner.

good good

This little bellows does a great job of helping to clean out the fine dust and residue that remains in the Niche after each grind. I was amazed the first few times I used it to just give a little tap and see a puff of coffee come out of the grind chute. It is now an essential for me.

The material of the bellows looks and feels to be high quality and it feels like it can be compressed and distressed without any damage to the bellows, so I feel like I will be using this particular bellows for multiple years to come.

Looks great and I've been able to get almost zero retention whereas before I was losing loads of coffee within the grinder. Would recommend

Full disclosure, I’m still entry level in the home espresso arena. I’ve been submerging myself in this hobby and I arrived at a point where I realized there was an issue with grind retention in my Encore ESP. This little device has greatly improved my work flow and my scale yields have been much more accurate. I primarily use medium/dark roast beans and I definitely notice a difference with my grinder by using a bellows combo. Everything seems well made and shipping was very quick to the U.S. I would gladly recommend this set up!

Such an excellent way to make an already great grinder even better.

Impressive. So well thought out from eco-friendly packaging to clear instructions to super smart design to the easiest needle insertion and replacement I've ever seen.

Works like a charm! Not only does it look better than the standard single dose hopper, but the bellows are also easier to use. Great customer service as well and replies fast and frequently.

Great 3d print, no fitment issues, and the bellows work perfectly to almost eliminate retention.

Perfect, does exactly what it’s suppose to do.