Cello - Accessories

Accessories

There are many accessories for the cello.

• Cases are used to protect the cello and bow (or multiple bows) when traveling and for safe storage. They are often made of carbon fiber, fiber-glass, and less commonly wood.
• Rosin, made from conifer resin, is applied to the bow hairs to increase the effectiveness of the friction, grip or bite, and allow proper sound production. Rosin may have additives to modify the friction such as beeswax, gold, silver or tin. Commonly, rosins are classified as either Dark or Light. Dark rosins increase the friction more than Light rosins.
• Endpin stops or straps (tradenames include Rockstop and Black Hole) keep the cello from sliding if the end pin does not have a rubber piece on the end (used on wood floors) though in many cases a rubber piece will not suffice on even a wood floor. Many Cellists often use a square or rectangle of carpet that can be secured under the front two legs of the chair as an endpin stop. This is however less likely to be seen in a professional arena and more used in rehearsal or in private.

• Wolf tone eliminators are often placed on cello strings between the tailpiece and the bridge to eliminate acoustic anomalies known as wolf tones or "wolfs".
• Mutes are used to change the sound of the cello by reducing overtones. Practice mutes (made of metal) significantly reduce the instrument's volume (they are also referred to as "hotel mutes"). The most common mute is a rubber disc with two holes to fit the two middle strings. It sits just after the bridge and has a flap that can be placed over the top of the bridge to mute the vibrations travelling down it to the sound post inside the cello. These are especially used due to their simplicity and can be taken off or put on very quickly because they can be stored on the strings past the bridge.
• Metronomes provide a steady tempo by sounding out a certain number of beats per minute. They are adjustable to fit the tempo of the piece. Many models can also produce a tuning pitch of A4 (440 Hz), among others. These can, of course, be used for all instruments.
• Humidifiers are used to control and stabilize the humidity around and inside the cello and are popular with traveling cellists. Often, these are placed inside the cello itself or inside the case. Some players will not use humidifiers inside their cellos because they have the potential to drip, which may cause damage to the cello.
• Electronic tuners are sometimes used to tune the instrument. A tuner indicates if a played note is sharp or flat.