What should the worshipper do with their hands at the conclusion of the post-prayer supplication (Du'a)?

Supplications and Remembrances After Prayer (الأذكار بعد الصلاة)

• Keep them raised until the Sunnah prayer is completed.
• Drop them to the sides without any further action.
• Wipe them over their face (Wabsahu biha wujuhahum).
• Put them in their pockets.