I got a ring with empty slot on it, what can i do with it

The Vector Fitting feature is demonstrated using the ring slot example network from the scikit-rf data folder Additional explanations and background

ring , pieces secured at each side of the ratchet ring at the top and bottom slot and having a cam

slot jp besar Rhodium plated sterling silver slot ring from IVI featuring a polished finish, a ribbed design and a pull-on style Made in Italy

slot gates Lasso Orbit Slot – S3 Direct PAL Architectural Lighting presents the new LASSO ORBIT SLOT –