soft, coal-black. opaque.
magnify - if you mute one sense, others become more elevated to compensate. the blindfold magnifies the effects of everything you do
aural interplay - it can be combined with aural deprivation to create a truly cocooned and attentive state of mind. it intensifies the importance of sound, making soundscapes you create more immersive. it aids attention so you can explore different types of ASMR
inward focus - withdrawal of the visual sense greatly aids concentration on self. it creates a feeling of floating and detachment. it requires and instils a greater level of trust.
ceremonial - make it part of the ritual