PUTAR by SaysevenT

Any magician must know by double lift technique. In general, magicians do double lift is to convince the audience that it's a single card only.
 If the audience feels confident that it is a single sheet, then any routine done will work.
 
How to do it perfectly?
 Namely by practicing with existing techniques.
 
Well, this time I dedicate a Variation of Double Lift System (PUTAR). This technique displays a double lift card that can rotate 360 degrees above the pile of cards.
 
If the audience is convinced that it is a single sheet using the usual double lift technique, then what do you think by using a Variation Double Lift System (PUTAR)?
 
- Recommendations for those of you who are happy with the sleight of hand.
 - Detail explanation
 - Easy to do