The plugs on this cable are omnidirectional, so the cable is very flexible to tuck into your setup
Using this Intelligent USB-C 5V to 9V Voltage Converter 60 cm from Rockboard, you can easily connect your effects pedal to a device such as a power bank or laptop to power your pedal.
With this RockBoard Power Ace Voltage Doubler Y Cable split two 2.1 x 5.5 mm barrel plugs, to one female 2.1 x 5.5 mm barrel plug.