Q. Why do some couples include a silver spoon at the room of Yichud after the Chupa?
A. At a wedding, according Chabad Chasidim have a tradition that a silver spoon is placed at the entrance to the yichud room. The chosson walks in first by stepping over it with his right foot first.
A. Chabad Chasidim maintain that the wedding ring used, is to be made of silver, "kesef" in Hebrew. It is similar to the Hebrew word "kosef," which means yearning and love. Some maintain that since most people use gold rings today, the silver spoon represents this same affection.
All things in Judaism start with the right hand or foot, because it represents strength and permanence. (R’ Eliezer Zalmanov for Chabad.org)"ספר המנהגים חב"ד" עמ' 76
Rabbi A. Bartfeld as revised by, Horav Yaakov Hirschman, Horav Dovid Pam, Horav Aharon Miller, Horav Chanoch Ehrentreu and Horav Kalman Ochs Shlit’a