Sin and shin

The 21st letter in the Hebrew alephbet.
Value of 300
Pictograph looks like teeth, or flames of fire.
The meaning of the letter shin ;
Teeth, ivory, point of a rock, a peak, to devour , consume, destroy, something sharp.

The significance of 300;
Judges 7 and 8 : Gideon has victory over the Midianites with an army of just 300 compared to the army of 135,000 belonging to the enemy. 300 God appointed men, devouring,consuming, destroying, their enemy.

Judges 15v4,5 ; Samson went out and caught 300 foxes, he tied them in pairs by their tails, fastened a torch to their tails and sent them into the fields, vineyards and olive groves, destroying the crops belonging to the Philistines. Samson used 300 foxes and flames to destroy and consume the crops of Israel 's enemy.

Words beginning with the letter shin;
Sar = prince, formed from the letters shin and resh. ( literal meaning of Prince is ' the devouring man ')
Shuv = repent, literal meaning means to destroy the house, we might say, burn your bridges. The idea being that true repentance is a complete turning away from something and there is no going back to it.
Kosher, is made up of the word for prince ( Sar ) and the letter kaf, which translates as ' open hand of the Prince, ie I allow it ( hand of permission )
Sharat = to minister or serve. This word is formed by the word for prince ( Sar ) and the letter tav. The literal meaning being, Prince of the cross. A picture of our servant king, Jesus.

How does Jesus fulfil the letter shin;
Jesus burns away all that is unlovely in us to make us His own. He burns with purifying zeal.
Deuternomy 4v24, the Lord your God is a devouring fire; He is a jealous God.
Daniel 7v 9,10, I watched as thrones were put in place and the Ancient One sat down to judge. His clothing was as white as snow, his hair like purest wool. He sat on a fiery throne with wheels of blazing fire, and a river of fire was pouring out, flowing from His presence.
Revelation 1v14, His head and His hair were white like wool, as white as snow. And His eyes were like flames of fire.