Backdrag is the force it takes to overcome the ratcheting mechanism while turning the ratchet opposite the direction of force. Said differently, if the ratchet is set to the "on" position, which would turn a fastener clockwise, backdrag is the amount of force it takes to turn the ratchet handle...
When I had no luck with info*at*nepros.net I tried the general inbox for KTC which is contact*at*kyototool.co.jp. I heard back from Tetsu Harima about two weeks later apologizing that my email had been caught by their Spam filter. His email is t_harima*at*kyototool.co.jp
Just received an email and text last night saying my order was dispatched via DHL. Looking at tracking I'll see the package this Friday. Excited to get my hands on the tools!
I placed my order with them the first week of September. Same experience you had of payment received and nothing more. Tried the Nepros email, fail. Tried the Nepros contact form, no reply after two submissions. Sent in an email to the KTC info page and heard back one week later. My order...