The thing is, if they always give you  and you, your, nine times out of ten what they do is like, is either, they either put a can over there or a beer or something, they put it over the end of the, the  weapon  pull the trigger and that, even with a flash that can  go like that, and then they show you one with the, the erm  flashes right which have more powerful than the  and they've actually got same again same charge as a life grenade in, but it just plain cardboard so, obviously no trap, but if you lay on them ooh er, you get  or something  you don't throw  what they do now is they put one they light one, put the helmet over the top of it and make it lit, it runs like buggery and it'll go a hundred, a hundred and fifty foot up in the air and inside it looks like its been  and where its been in the thing it'll be like er, six seventy foot off the ground, I mean I laid on one once and I,landed about two foot too my left so I've rolled over, rolled, rolled, and rolled, as I've rolled I've rolled over on my back and I've had all loads of  over, like the, I had a  roll there its like the er 