The hammock sling is tilted back slightly when fully pulled on a frame, which means the user doesn’t have to put all of their body weight through their thighs. This is why this sling was specifically designed for persons with lower extremity amputations. The tilt keeps them back far enough in order to provide support and to prevent tipping. The hammock sling also provides full head and back support for persons with weaker trunk strength. This sling does only come in two sizes, so users should double-check and match their weight against the available sizing measurements prior to purchase. Note that the manufacturers state that the user must be able to roll off and on the sling in order to use it, which means caregivers have to be available and physically capable of assisting if needed. If a user has a compromised respiratory system and can’t roll, consult with a doctor prior to committing to a purchase.