You might like this tutorial:
If anyone wants Lady Eva’s core shamanism tut, it’s below.
She is no longer here to offer support on it obviously but you can talk about it on the forum, and I (Mulberry) follow these ideas and can provide a spot of help if needed. @Mulberry to get me to PM you.
We have some favourite other discussions and tutorials for developing astral senses here, but this is just a few and a search on “developing/building” and "senses"and “guide/tutorial/spirit” will get you some more.
This thread collects together the various discussions, opinions and tutorials for opening the 3rd eye aka developing, building or attaining psychic senses aka astral travel, doing vision work developing clairsenses like clairvoyance, clairaudience, clairsentience or “clairs”.
I do hope this is useful!