A yojijukugo literally meaning 'hand shackles, foot shackles'; used for physical restraints that bind both hands and feet, and figuratively for anything that severely restricts freedom.
The prisoner was transported in manacles and fetters.
Old customs have become shackles, preventing reform from moving forward.
Compound of 手枷 (hand shackles) and 足枷 (foot shackles). The exact historical derivation is uncertain, but the spelling is conventionally associated with physical restraints.