Bone-Eater's Well

The Bone-Eater's Well (骨喰いの井戸,ほねくいのいど) is a well found in the shrine that Kagome lives at in the present day it is hidden inside one of the buildings of the shrine which is usually kept locked up. In the feudal age it is located in a small forest clearing the well is used to to dispose of bodies of demons and monsters but it also has the purpose off been used as a gateway between the present day and the feudal age.

Part in the story
The well is just like many usual well in the fuedul era, except that the well possessed an ability to connect the present era that Kagome come from with the fuedul era. How the well is active is currently unknown but several thing can be made through observation through out the story. It can be presumed that only certain being may pass through the well/
 * The only human that is able to travel through the well is Kagome, though she must be in possession of the Shinkon Jewel(or at least a shard of it).
 * Inuyasha can travels without any need of the jewel.
 * Neither Souta or Shippo is able to pass through the well.
 * Mistress Centipede was killed and sent to the present era without any need of jewel shard. She also able to return to the pass without the assistant of the jewel as well.
 * Yura was able to sent her hair to wreck havoc in the future.
 * Both Sounga and Saiya was able to pass through without the need of jewel.

Uses
In the InuYasha Franchise, The Bone-Eater's Well is a mystical well used initially to dispose of the bodies of demons and monsters, whom proved near unbeatable. (i.e. mistress centipede due to her constant resurrection) The Bone-Eater's well is a major aspect in the series due to it's ability to act as a portal between the past and the future. This is obviously invaluable to Kagome who transits via the Bone-Eater's well to go to the feudal era and back, (as well as Inuyasha. Although other demons can also travel through the well too, such as Mistress Centipede.

Known traveler of the Well
​The demoness's bone was sent to the future fifty years before the story start by Kikyo and her follower. She was able to resurrect herself thanks to Shikon no Tama and return to the past via the same well. ​Sounga was perhap the very first thing that travels through the bone eater well. The sword was sent to the future 250 years before the story along with Saiya.
 * Mistress Centipede
 * Kagome Higurashi
 * Inuyasha
 * Sounga

Trivia

 * During the series, Kagome can get back home from the Fedual Era without the jewel's power, but needs Inuyasha to go back in time.


 * Shippo had the jewel's power and is a demon. However, he didn't go through the well. Question is, does one need to be concious to go through?


 * If what a person brings with them through the well ends up on the other side, couldn't Shippo, Miroku and Sango have gone with Inuyasha when he used the well?
 * How did Mistress Centipede and Sounga travel through the well?