Maybe (13:21, 24-07-20)
With four of them lined up like this, it makes me think they are four instructors at the same gym, giving a group exercise class geared towards limbless members.
Of course, that raises the question of whether they lost their arms and legs and then went into fitness, or if losing them was a condition of employment. With four of them, each with the same types of arm and leg stumps, the second seems more likely, but anything is possible.
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