The ornamental design for a golfclubshaft-attachable air-resistance device, as shown and described.
FIG. 1. is a frontal lower end isometric view of an air-resistance device
adapted for attachment to either a right or a left-handed golf club shaft,
the upper opposite end being a mirror image thereof;
FIG. 2 is a side view of the air-resistance device looking angularly and
upwardly from the far side of FIG. 1.
FIG. 3 is a side view looking of the air-resistance device looking
angularly and downwardly toward FIG. 1; and,
FIG. 4 is a side view looking toward FIG. 2 from the right side thereof.