This is legendary "Spaceman Bicycle Flask Holster" by Ahearne cycles.
Ahearne only make cool stuff, and this bit of kit is just plain rad. Its a bottle cage for your hip flask. Blimey.... Ahearne are clever people!
Pop your flask in this and never be far from your winter warming potion.
This looks way cooler than sticking your hip flask down you lycra shorts... "why is this booze you have kindly offered me so damned warm?"
Why not throw in an NoLogo unbranded (yes unbranded and plain) hip flask for an extra £10. - use the drop down menu