Why use the fingertip holder or go2sleep SE?
1. There are more capillaries on the fingertip than the finger pulp. Compared to the finger pulp, wearing Go2sleep on your fingertip will get more stability.
2. The perfusion index is stronger when wearing Go2sleep on the fingertip than wearing on the finger pulp.
3. The fully wrap structure of the fingertip holder make the wearing process more fixable and stable.