Pose‐Independent Soft Haptic Ring for Joint‐Centered Directional Guidance via Multichannel Shape Memory Alloy Actuators. - Kim, Hyunsoo; Roh, Jaewoo; Ju, Hunpyo; Ji, Wonhee; Mahato, Manmatha; Yoo, Hyunjoon; Oh, Il‐Kwon (Small Structures, 2026)