An iron disc three inches in diameter with spirals engraved on both sides. A %%ot [ter'angreal|Angreal]%%. [Channeling|True Source] [Spirit|One Power] into it leads one into sleep, then into %%ot [Tel'aran'rhiod|TelAranRhiod]%%.

! References (Possible Spoilers)

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# In [The Dragon Reborn]
## [TDR,Ch13] - The iron disc and several other %%ot [ter'angreal|Angreal]%% are stolen from the [White Tower] by [Liandrin] and her [Black Ajah] cronies.
## [TDR,Ch21] - [Verin] gives a list of the stolen %%ot [ter'angreal|Angreal]%% to [Egwene].
## [TDR,Ch25] - It is an iron disc three inches in diameter with spirals engraved on both sides. Its use is unknown, but it was last studied by [Corianin Nedeal].
## [TDR,Ch55] - The iron disc and the [amber plaque] are recovered from [Amico|Amico Nagoyin] and [Joiya|Joiya Byir] respectively in the [Stone of Tear].
# In [The Shadow Rising]
## [TSR,Ch11] - [Channeling|True Source] [Spirit|One Power] into the iron disc leads one into sleep, then into %%ot [Tel'aran'rhiod|TelAranRhiod]%%.
## [TSR,Ch46] - In [Tanchico], [Nynaeve] keeps the iron disc in a pocket in her skirt.
# In [The Fires of Heaven]
## [TFoH,Ch9] - [Elayne] and [Nynaeve] bring the [amber plaque] and the iron disc with them when they leave [Tanchico] for [Tar Valon].
## [TFoH,Ch48] - As they prepare to leave, [Nynaeve] packs the [twisted ring] and the [seal]. [Elayne] takes the [amber plaque] and the iron disc.
## [TFoH,Ch49] - [Nynaeve] and [Elayne] visit %%ot [Tel'aran'rhiod|TelAranRhiod]%% together, [Nynaeve] using the [twisted ring] and [Elayne] alternating between the iron disc and the [amber plaque]. [Elayne] appears faint when using the iron disc or the [amber plaque].
## [TFoH,Ch50] - The [Salidar Aes Sedai] leaders confiscate the [twisted ring], the [amber plaque] and the iron disc from [Elayne] and [Nynaeve].
# In [Lord of Chaos]
## [LoC,Ch7] - [Elayne] succeeds in making exact copies of the [amber plaque] and the iron disc. She makes copies of the [twisted ring] as well, but they are not exact and do not work quite as well.
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