The specification and drawing figures describe and show holder for a non-folding tool that includes a first case formed with a duct. The first case is connected to a deployment control unit detachably that is removably insertable in the first case. At least one second case is included that is formed with a cavity. A plurality of second cases are provided to accommodate varying dimensions of the non-folding tool. The second case is removably connectable to the first case. A tension membrane, slidably insertable into the first case, is provided for controlling movement of the tool within the holder. A variably positionable mounting assembly engageable with the holder and with a user is provided. This abstract is provided to comply with rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure, but this abstract is not to be used to interpret or limit the scope or meaning of any claim.