Have you ever been enjoying a perfect, gentle, Sunday at your club...casually shooting along the course when you realise you're low on air? Then you notice you are right at the far end of the club and the car is 'miles' away!! Should you lug your gun all the way back to the motor, top it up then walk ALL the way back just to shoot the few last targets ( as you've not missed many today..) Should you just shoot the last few off the reg, see how it goes? ( but risk ruining a good run of kills so far..) Or you could just give up 'cause it's too far there and back....( a real poor end to a good round..) Or should you get out your brand new 'Day Tripper' mini-cylinder from the long side pocket on a BSA gun bag in which it fits PERFECTLY! You know it has air in, because you just decanted air from your BIG cylinder direct into your 'Day Tripper' using the simple 'Quick connect' to do so? You don't have a gauge on your gun, but that's OK because the 'Day Tripper' comes with a top class Wika gauge ensuring acurate readings +/- 1.6 %.......or without one, your choice!!! It will fill a classic one and a half times, so loads for ANY gun top up, Steyr, whatever, NEVER walk back to the car again for an annoying last minute top up EVER AGAIN! I can see these becoming a very common sight on 'Comp shoots, once you see one you'll understand. It's very dinky, well made, and one of those things that you want once you've held one. Or once you've had to walk back to the car while Mr Smarty pants whips out his Day Tripper for a quick fill, still sat in the seated position, job done...without even leaving the lane, let alone the course!!! And without unscrewing anything!! I used to like Simon, ( a pal ), but not now...flash git!!