Looks nice but has some pretty bad functionality

Looks nice but has some pretty bad functionality. The glass breaking end is a piece that screws on and I really don't feel that it would break a window in an emergency. In regards to the opening and expansion it does work however it takes a lot of effort or a good whipping motion to get it to open. I will try adding some lubricant to se if that makes it any easier but still the glass breaking emergency functionality is definitely lacking.

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