In summer it is recommended to make using a sheet of kitchen wrap also as a preventive sanitation measure because bacteria in the hands such as staphylococcus aureus can grow.
夏場は手についた黄色ブドウ球菌などの細菌が繁殖する恐れがある為、衛生上の予防策も兼ね、ラップに包んで握るのもよい。