Purchase an effects pedal from the high-quality boutique effects brand “Cornerstone,” founded in Italy, and receive a free set of DR Strings’ coated “DRAGON SKIN+” strings!
“Cornerstone” is a brand renowned for its tone, combining a musical and natural response with exceptional clarity. It has garnered support from professional guitarists worldwide.
The complimentary “DRAGON SKIN+” strings feature the proprietary K3 coating technology, delivering enhanced durability and an extended lifespan compared to previous models, while maintaining a natural sound.

Furthermore, guitarist Kyohei Ariga explains the appeal of “Cornerstone” in detail in a video!
Be sure to check out that exquisite tone.

■Cornerstone Product List
■Campaign Period
Monday, October 27, 2025 – Wednesday, December 31, 2025