Go to Klipper → Configure Clipboard → Shortcuts

And set shortcut for "Next History Item" and "Previous History Item".

Believe me, it would be much better.

Configure WIN+A and WIN+S for example.

There's also Actions Configuration, where you can implement custom actions based on the clipboard contents in Win+V dialogue.

One of mine: if there's something resembling postal tracking number according to regexp, add "Print label" item which prints its barcode on my Bluetooth thermoprinter.