Ribs.  - 

source: Annie Vanrivong, Ronja from Finland, Josefin Gabrielsson

Wrists.  - 

source: unknown, Jessica Matz, Nectar & Pulse

Wrists.  - 

source: Emma Bredberg, Rebecca Stephens, unknown

Thursday Randoms.  - 

Source: Anna Petrova, Amanda Melin, Shannon Egan