Psalms 144:1 Halakhah

לְדָוִ֨ד ׀ בָּ֘ר֤וּךְ יְהוָ֨ה ׀ צוּרִ֗י הַֽמְלַמֵּ֣ד יָדַ֣י לַקְרָ֑ב אֶ֝צְבְּעוֹתַ֗י לַמִּלְחָמָֽה׃

[A Psalm] of David. Blessed be the LORD my Rock, Who traineth my hands for war, And my fingers for battle;

Read halakhic rulings (Jewish law) on Psalms 144:1: and classical halakhic sources.