Raised seem baseball training device

Abstract

A first baseball comprises a skin portion and a first seam portion higher than a second seam portion. A second baseball comprises a skin, a first seam portion having a first stitches pattern, and a second seam portion having a second stitches pattern different from the first stitches pattern. A baseball training kit comprises a skin portion and a first seam portion having a first stitches feature and a second seam portion having a second stitches feature different from the first stitches feature.

What is claimed is: 
     
         1 . A baseball comprising:
 a) a skin portion; and   b) a first seam portion higher than a second seam portion from a surface of the skin portion.   
     
     
         2 . The baseball of  claim 1 , wherein the first seam portion and the second seam portion are on the opposite side of the baseball. 
     
     
         3 . The baseball of  claim 1 , wherein the first seam portion comprises a first stitches pattern and the second seam portion comprises a second stitches pattern. 
     
     
         4 . The baseball of  claim 1 , wherein the first seam portion comprises a solid block stitches. 
     
     
         5 . The baseball of  claim 1 , wherein the first seam portion a thread stitch. 
     
     
         6 . The baseball of  claim 1 , wherein the first seam portion comprises a raised stitch structure allowing a user's finger to spin the baseball more easily. 
     
     
         7 . The baseball of  claim 1 , wherein the first seam portion has a height less than 0.5 cm. 
     
     
         8 . The baseball of  claim 1 , wherein the raised stitch has a width less than 1.3 cm. 
     
     
         9 . The baseball of  claim 1 , wherein the first seam portion has a stitch having a higher thread density than a thread density of the second seam portion. 
     
     
         10 . A baseball comprising:
 a) a skin;   b) a first seam portion having a first stitches pattern; and   c) a second seam portion having a second stitches pattern different from the first stitches pattern.   
     
     
         11 . The baseball of  claim 10 , wherein the first stitches pattern has a thickness greater than the second stitches pattern. 
     
     
         12 . The baseball of  claim 10 , wherein the first stitches pattern forms a solid block. 
     
     
         13 . The baseball of  claim 10 , wherein the skin is made by a leather, PVC, PU, or a combination thereof. 
     
     
         14 . The baseball of  claim 10 , wherein the first stitches pattern has a color different from a color of the second stitches pattern. 
     
     
         15 . A baseball comprising:
 a) a skin portion;   b) a first seam portion having a first stitches feature and a second seam portion having a second stitches feature different from the first stitches feature.   
     
     
         16 . The baseball of  claim 15 , wherein the first stitches feature has a height great than the second stitches feature. 
     
     
         17 . The baseball of  claim 15 , wherein the first stitches feature comprises a first color and the second stitches feature comprises a second color. 
     
     
         18 . The baseball of  claim 15 , wherein the first stitches feature comprises a first stitches pattern and the second stitches feature comprises a second stitches pattern. 
     
     
         19 . The baseball of  claim 15 , wherein the first stitches feature forms different visually distinguishable spinning patterns with each of different pitches. 
     
     
         20 . The baseball of  claim 15 , wherein the pitches comprise different breaking balls.