For decades, female guitarists worked around equipment that fought their bodies. Joan Jett favored a customized, lightweight Gibson Melody Maker largely to avoid the spinal compression of heavier standard models. When Annie Clark debuted her signature model with Ernie Ball, she explicitly highlighted the physical reality of playing two-hour sets:
"There is room for a breast or two," Clark told journalists when launching the line. "The design is ergonomic, lightweight, and doesn't get in the way of performance."
Rodrigo merely reiterated Clark's own design thesis. During the GUTS World Tour, which ran across 95 arena dates worldwide, Rodrigo sprinted across catwalks while delivering physically demanding pop-punk vocals. Jumping while strumming requires an instrument that hugs the torso without slipping or causing friction burns.
The ergonomic advantages Clark and Rodrigo described involve three technical design choices:
- Beveled Upper Bout: Eliminates sharp edges against the chest when holding the guitar in a high playing position.
- Narrowed Waist Profile: Allows the guitar to rest comfortably between the ribcage and hip whether standing or seated.
- Recessed Control Cavities: Keeps volume and pickup switches away from swinging strumming arms during aggressive chord progressions.