Knife - Saw (Daf 17)

Sakin she is with pegimas harbor a knife says a lot of pegimas. It has the halakha can be guided like a saw. You're not allowed to shecht with a sakin that has lot of pegimas. You will see this is a knife. It's not a knife to shecht. It's a kitchen knife. You could see pegimas. Pegimas is you have a notch. It's like you have point two, three, four. And the points are sticking out straight. It's not leaning on one side. Just pointing. When you are checking the knife, you cannot move your nail. It's getting stuck by this dent. And you also cannot move it down. It's getting stuck.