From Dragon Quest Wiki
The payback pumps are a pair of boots designed for Gladiators in Dragon Quest IX: Sentinels of the Starry Skies.
|Payback pumps (DS)|
|Flavor text||A gift for gladiators that bounces a beating back at its perpetrator.|
|Notes||Buy in Wormwood Creek.|
Recipe: Steel sabatons + Magic beast horn x2 + Iron nails x2