Guitar Pedal X - News - An A-Z of less well known Japanese Boutique Pedal Brands
This Japanese startup lets you virtually try guitar pedals
What Guitar Effect Pedals To Get From Japan: Our New And Used Top Ten Guide And Where To Buy Them - Buy authentic Plus exclusive items from Japan | ZenPlus
Talking vintage Japanese pedals with Tim Green of Mojo Stompboxes
Japan Pedal Shopping (aka "I might be addicted to dirt pedals..." - theFretBoard
Katanasound Volcanic Eruption Octave Fuzz Pedal — Andy Babiuk's Fab Gear
Photos of some Japanese stores of guitars and pedals + added more pics of used pedals in OP - theFretBoard
JHS Pedals Supreme 1972 Japan Fuzz Effect Pedal | Bax Music