Always do the star ruby at the begging of work an at the end! You should become so good at this ritual you will begin to do it in your dreams. When you can do that you will be showing some control over the astral plane an mastery of the ritual.
For example do the star ruby an then Liber resh Vel Helios, then the yogas and star ruby at the end.
Also use it at the begging an end of the monthly self initiation Rite of Illumination.
The Star Ruby is the Thelemic version of the Lesser banishing Ritual of the Pentagram which is posted at the end of this page for you to learn as well.
Theurgic (Or Telesmatic) Images Of The Wardens Of The Quarters In The Star Ruby, Based On The Greek Letters Forming Their Names. Artwork By Angela Wixtrom, From Descriptions By James A. Eshelman. Copyright 1999 Angela Wixtrom And The College Of Thelema, All Rights Reserved. For A Discussion Of The Theory And Execution Of Forming Such Images, See "The Star Ruby: An Analysis" (Part 2 Of 3) In Black PearlNo. 6.
Video Instructions on the Star Ruby