Answer:
My teeth are sharp my back is straight to cut things up it is my fate.
I am used when you jump off a bridge for fun.
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
I go up and I go down, towards the sky and the ground. Iβm present and past tense too, letβs go for a ride, me and you. What am I?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.