There is no commitment to purchase
Wooden cello anchor
Simply slip the 2 nylon covered rings under your chair legs and the wooden block will then have 6 positions for your spike.
Protects your carpet / floor and stops the instrument moving away from you during use.
Hidersine (2992) Wooden Cello End Pin Floor Anchor
Cello Floor Protector - Foam Rubber
Hidersine (6CM) Deluxe Cello Rosin - 30g
P&H 4/4 Cello Bow Hair Hank
Wittner Cello Adjuster - Black