Fudo receives a letter threatening to expose his relationship with Desumi. But when he meets with his blackmailer, a surprising truth is revealed!
The forearm flexors, of course!
!عضلات السّاعد القابضة بالطبع
Les muscles de l’avant-bras,
évidemment.
I muscoli anteriori dell'avambraccio, ovviamente!
Os flexores do antebraço, claro!
Само собой, игрек —
это сгибатель предплечья.