Will cut slots in wood, to allow joints with a small piece of wood (biscuit) to strengthen the joint.
See https://en.wikipedia.org/wiki/Biscuit_joiner
Reading Library of Things
https://LoTReading.myturn.com/library/
13a Southview Park,https://LoTReading.myturn.com/library/
Caversham
Reading, RG4 5AF
United Kingdom