Disclosed are systems and methods for drilling in an environment having a fluid and a bed. Parties desiring to securely transfer information between one another register at a central security management system, and each provide at least one biometric enrollment to their unique record configured for storing multiple BIV system enrollments for each party. Others are attached to the garment on the thigh or other location to permit access where a standard hip pocket would be blocked by a toolbelt. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve. half of the movable piece can be driven is formed at a part of the contact plane of the pressing drive member.