1.   And a utility knife with lots of extra blades for cutting the paper.

2.   For that reason, the Venus storage case is designed to be mounted on shower walls and to store extra blades.

3.   Gillette will advertise the product as being superior because of the extra blade, this person said.

4.   He had brought three extra blades.

5.   Stock extra blades.

6.   The extra blades, of course, increase your speed, but there are drawbacks.