I found a solution for my natto dilemma! Living in Canada, it is not easy to buy natto. Now l can make natto at home without an Instant Pot or a yogurt maker.

**References**
   • Homemade Natto by Natto Dad Revamped ...  
Homemade Natto by Natto Dad Revamped 2020
By Natto Dad

   • TWO WAYS OF MAKING NATTO  
Two Ways of Making Natto
By Keiko Brown