At the front of this space, they saw the metal box.
"Open it yourself!" Old Lu gave the opportunity to Little Lu.
The box was not locked, but there was a half-moon slot at the front. I removed the half-moon needle in the slot and opened the box. Sure enough, there lay my grandfather's bracelet inside.
Little Lu looked at Old Lu, as if seeking approval.
Old Lu nodded: "You have read the precautions carefully, and you have used it many times with me. There will be no problem. Wear it!"
After putting on the bracelet, Xiao Lu closed the box again, put it back in its original place, and restored the desktop.
"Let's go back to the studio!" Lao Lu said, "First, we need to implant a signal amplification chip in your wrist."
"Why?" Xiao Lu didn't understand.
"I'm telling you, the initial operation is too difficult! I only became proficient after implanting the chip first! When it's time to take shortcuts, let's not worry about the hard work, right?"
Since it was Old Lu's experience, Little Lu stopped asking questions and obediently stretched out his hand, allowing Old Lu to apply the numbing ointment on him.
This anesthetic ointment is for children. If they are afraid of the pain of injections and blood draws, they can apply the ointment and wait for half an hour, and then the injection will not hurt.
It's a perfect time to use it now. The last time Lao Lu implanted a chip in himself, he didn't have this thing. It hurts just thinking about it now!
While Xiao Lu waited for the anesthetic to take effect, Lao Lu worked on the chip. It was a simple technique, just a microchip enclosed in a waterproof microcapsule.
Heating with an alcohol lamp through a glass plate, the capsule tightly wrapped around the chip.
After tying the blood vessels with a rubber rope, Lao Lu made a half-centimeter-long incision on Xiao Lu's wrist and inserted the chip with tweezers.
A drop of biological glue was dripped into the incision, and the incision was closed. In less than a minute, the wound was sealed.
When the rubber rope was released, blood was re-injected, causing the wound to begin to turn red.
"Don't touch water for the next two days." Old Lu said as he put a waterproof Band-Aid on Little Lu, "Don't leave me with scars!"
"Old Lu! Are you used to coaxing children?" Little Lu teased Old Lu with a smile.
The way he looked really looked like an adult treating a child's wound.
"Tell me, why did grandpa hide the bracelet? Instead of destroying it?" Xiao Lu touched the bracelet and asked Lao Lu.
"Grandpa never does anything that would leave him with nothing to lose. Maybe it has something to do with his obsession with history? He won't let history disappear for no reason and always likes to leave clues behind."
"Then why don't you just tell us?"
"I think... maybe he's not sure and is afraid that something bad might happen to you!" Old Lu glanced at Little Lu.
"Why am I to blame?" Xiao Lu disagreed.
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