@hippy
Here we go...
https://chrisaldgate.wordpress.com/2015/07/23/transcontinental-bar-saddle-bags/
EDIT:
I just found one of these in the camera bag pile: https://www.amazon.co.uk/Lowepro-ILC-Classic-50-Shoulder/dp/B004FPIO18
ILC Classic 50 (there's also an even bigger ILC Classic 100)
Plus a much slimmer option would be https://www.amazon.co.uk/dp/B005AYK466/ Streamline 100.
Or... a climber's dip bag: http://www.planetx.co.uk/i/q/CCPODMD/pod-mini-dip-bag http://www.planetx.co.uk/i/q/CCPODBB/pod-banana-bag
Way overkill. Might just get an orange sack and zip-tie it to the extensions.
@hippy started
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@hippy
Here we go...
https://chrisaldgate.wordpress.com/2015/07/23/transcontinental-bar-saddle-bags/
EDIT:
I just found one of these in the camera bag pile: https://www.amazon.co.uk/Lowepro-ILC-Classic-50-Shoulder/dp/B004FPIO18
ILC Classic 50 (there's also an even bigger ILC Classic 100)
Plus a much slimmer option would be https://www.amazon.co.uk/dp/B005AYK466/
Streamline 100.
Or... a climber's dip bag:
http://www.planetx.co.uk/i/q/CCPODMD/pod-mini-dip-bag
http://www.planetx.co.uk/i/q/CCPODBB/pod-banana-bag