The length of your fingers is primarily determined by your genetics, and it's not possible to naturally increase the length of your fingers through any medical or non-medical means. The length of your fingers is determined by the length of your bones, which is determined during early development and remains relatively constant throughout your life.
Attempting to alter the length of your fingers through unconventional or surgical means is not recommended and could be dangerous. Surgical procedures to lengthen fingers are highly invasive and come with significant risks, such as nerve damage, infection, and long recovery times. Moreover, such surgeries are typically reserved for medical conditions and not for cosmetic purposes.
It's essential to embrace your body as it is and focus on the things you can control, such as improving your skills, talents, and overall well-being. Remember that everyone's body is unique, and what matters most is how you use your hands to accomplish various tasks and pursue your passions in life.