https://youtu.be/02GzYOB-Um4?si=IGE-Nleck9utMglS
The silicone bellows hopper in the video is optional.
◆ There are four versions of Mazzer grinder:
1. Manual version
2. Timer version
3. Automatic version
4. Electronic version
If your Mazzer Major is a Manual or Timer version, the doserlees kits can be installed without any modify.
If your Mazzer Major is an Electronic or Automatic version, it need