In NLP one choice is no choice 2 is a dilemma three is free choice
Double binds are tools that can give them a false sense of choice on the outcomes which are all beneficial for you. They may mean the same thing just phrased differently. Or different choices but all lead out the same path. The purpose to give the illusion of choice in decision points in a presentation.
One Caveat. Realize that the audience anytime can choose an option outside of your design which is why the decision points must be covered well, with well presented, well designed alternatives.
You can set up as many double binds as you appropriate , and the more there is, the more equipped you are to swerve the outcome your way.
You can layer in double binds within double binds to further to enhance the illusion of choice and to give variety. Sub-choices within sub-choices etc. With the example below, all the choices(d to i) end in a date .
You can go home watch tv and wish you were with me instead (a), eat alone but wishing instead were out dining(b), take out the trash instead of us partying (c)
OR you can just let go of all that and right now(d) or tomorrow at...