Having to manually trigger the compressed air canister is a poor design. Hopefully this is just a prototype and the final version will automatically trigger when it senses the proper depth for maximum internal damage.
I prefer the original "Q" designed wasp-gun myself:
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344376-Kenaga.JPG (7 downloads)
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I'd rather be ignorant than stupid.
Ignorance implies a lack of knowledge which is easily correctable through education.
Stupidity implies an inability to learn.
Therefore; ignorance is temporary, stupidity is forever!