Drill

Drill — Team Rocket's gadget.

The Beginning
In S1E5, Showdown in Pewter City, Jessie, James and talking Meowth appeared at the Route 3, now digging with a drill, when they were about to get out of tunnel Ash, Misty and Brock (it was first time, when they met him) accidently stepped on them, they started to cuss and fall into the tunnel.