Half a croissant, on a plate, with a sign in front of it saying '50c'
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Theremin Based White Cane

Compatible with Grogster's Attachments for His Cane
  (+9)(+9)
(+9)
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Rather than having to come into physical contact with the grubby world, this Theremin based cane provides a progressively louder tone as you get closer to an object. Different pitches could help the user differentiate between objects of varying consistencies.
AusCan531, Jan 20 2020

See No Evil, Hear No Evil https://www.imdb.co.../?ref_=nv_sr_srsg_0
Deaf Seeing Eye Dog version could be hilarious! [neutrinos_shadow, Jan 20 2020]

[link]






       // differentiate between objects of varying consistencies //   

       Custard detector?
mitxela, Jan 20 2020
  

       Aids for the visually impaired incorporating proximity detectors and variable audio tone generators are Baked.
8th of 7, Jan 20 2020
  

       I'd suggest pitch for proximity, timbre for texture/consistency and loudness for size.
MaxwellBuchanan, Jan 20 2020
  

       Heh. I just spent the two coldest days of this year hip-deep in snow looking for water line shut off valves by sound with a metal detecting wand
...and then you post this.
  

       Careful wandering around my head like that, you can get lost in there you know?
: ]
  

       This is brilliant. I give it 3 buns. [+++]
doctorremulac3, Jan 20 2020
  

       I Highly Aprove! Bun [ + ].   

       <...here's GROG waiting for the Optional Vuvuzela Attachment that will surely 1) help clear the Mongol Hoard off the streets, and 2) singlehandedly create a market for DEAF Seeing Eye Dogs...>
Grogster, Jan 20 2020
  

       // Optional Vuvuzela Attachment //   

       Vuvuzela ? Why not bagpipes ?   

       <Inscribes [Grogster]'s name on The List, just below [xenzag]/>
8th of 7, Jan 20 2020
  

       //DEAF Seeing Eye Dogs...//
Sounds like a Disney re-make of See No Evil, Hear No Evil (linky).
neutrinos_shadow, Jan 20 2020
  

       Nice follow-up, Aus.
blissmiss, Jan 21 2020
  
      
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