BOWING WORLDS4

The FROG
The FROG is attached at the bottom of the bow.
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The Frog and its mechanism enables you to adjust the tension of the horse-hair.
Why is the Frog, called a Frog?
Nobody really knows why exactly, however, there are many theories about the origins of the term Frog. In German, the bottom of a horse’s hoof is called the “frosch.” The “frog” of a horse hoof is a small area toward the rear of the hoof that acts as a shock absorber. Since a bow’s frog is located at the bottom of the bow and also acts a shock absorber, this may be the reason for its name.
Some believe that the frog looks somewhat like the profile of a frog. Another opinion comes from the last name of the modern day frog inventor, Helmut Gorf. Gorf spelled backwards is Frog. The Frog is also called the Heel, which presents a strong case for the German word origin. (Frosch = Frog)
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The Frog is attached to the stick with a screw/eyelet mechanism which is located inside a carved channel inside the stick.

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The screw is located at the end of the bow and is used to tighten and loosen the hair. When the bow is not in use, always loosen the hair so that the stick doesn’t warp. Never over-tighten the bow!
Horse-hair is connected to the frog with a Ferrule (a semi-circular metal band that spreads the hair into place). The horse-hair is spanned into a ribbon with a fitted wooden spacer. This ribbon acts as the bristles on your Music Paintbrush.
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FERRULE
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Introducing the Bow     Parts of the Bow     The Stick     Horse-Hair     The Tip     The Frog     The Winding     How the Bow Works 
 
 Rosin     Preparing to Hold the Bow     Stick Training Exercises     Bowing Terminology     Down-Bow     Up-Bow     

Bow-Hand Set-Up    Finger Tasks and Functions     The Thumb     Meet ARC     Finger Segments     The Index-Finger   
 
Bow-Hand Pronation      The Center-Finger and Ring-Finger     Bow-Hand Fulcrum     Ring-Finger Propulsion     Bass Bows 
 
 Pinky Bow-Tasks     ‘Casting’ the Bow-Hand    Bow-Wrist Tasks    Rotational Inertia    Arco    Clay Smile Exercise    Meet ANGLE 

The Bow-Arm Box     The Shoulder Arc     Bow Contact-Point     String Lanes     Bow-Segment Mastery     Bowing Exercises 

Finding the Bow Contact-Point     “Painting With Sound”     Bowing Exercises Menu     Bow Taps     Bowing Traditions 

Perform Down-Bows     Perform Up-Bows     The Art of the Bow-Change     Articulations     Staccato     Legato 

Mastery Checkpoint One     Building Bow Control     Bow Speed and Bow-Arm Motion     Bow Planning and Distribution

Slow Moving Bow Strokes     Individual Bow Segments     Traveling the Bow     Bowing Dynamics     Mastery Checkpoint Two 

Advanced Techniques     Slurs and Articulations     Slur Training     Locating the Bow’s Balance Point     Ricochet and Spiccato 

Exploring Ricochet     Ricochet Control     Spiccato Training     Spiccato Control     Spiccato Brush Strokes 

Multiple String Crossings     Virtuosic Bow Strokes     Arpeggio Bowing     “Flying” Staccato     Mastery Checkpoint Three 

SCROLL’s List of Bow Strokes
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