Hey there, here are some helpful tips for using and taking care of your Matsato knife: 

Dos:

• For ultimate precision and control, use the hole designed for your index finger.

• To prevent food from accumulating in the dimples, be sure to carefully clean the blade after each use.

• Hand wash your knife and dry it immediately afterwards 

Don'ts:

• Avoid using too much force while using the Matsato knife; it's a sharp, precise tool that doesn't require extra force

• Don't put the Matsato in the dishwasher, as this can affect the knife's quality 

• To prevent rust, avoid storing the knife in damp areas. 

Hope these tips help you get the most out of your Matsato knife!