An arrangement comprises a garment, a mounting apparatus and an optical tracking marker to be used in motion capture. The arrangement may include a plurality of mounting apparatuses and optical tracking markers. The garment includes openings. The mounting apparatus includes legs which are shaped and include features to enable the mounting apparatus to engage the openings of the garment. The mounting apparatus further includes a marker coupling which is shaped and includes features to engage the optical tracking marker. The mounting apparatus provides a secure yet removable attachment for the optical tracking marker to the garment.