Abstract: Some embodiments provide release apparatuses comprising: a body comprising a first mating section and a second mating section connected to first and second tethers; and a plurality of movable locking shoes secured with the first mating section and movable between a first position configured to lock the first mating section and the second mating section together and a second position configured to allow the first mating section and the second mating section to disconnect; wherein each of the plurality of locking shoes comprises a locking surface configured to contact an engagement surface of the second mating section and maintain a position of the first mating section with the second mating section when the plurality of locking shoes are in the first position, and wherein the locking surface of each of the plurality of locking shoes is formed at a contact angle between about 18 degrees and 24 degrees.