diff --git a/src/backends/tasoller_v2.rs b/src/backends/tasoller_v2.rs
index a2a04b1..7789685 100644
--- a/src/backends/tasoller_v2.rs
+++ b/src/backends/tasoller_v2.rs
@@ -18,7 +18,7 @@
 //! ### OUT Bulk (0x03)
 //! - Content length: 240 bytes
 //! - Bytes 0..3: magic bytes [0x42, 0x4C, 0x00]
-//! - Bytes 3..96: Slider LED (GRB order, right -> left)
+//! - Bytes 3..96: Slider LED (BGR order, right -> left)
 //! - Bytes 96..168: Left tower LEDs (GRB)
 //! - Bytes 168..240: Right tower LEDs (GRB)
 
@@ -82,9 +82,9 @@ pub fn set_slider_leds<T: UsbContext>(
     rgb: &[u8],
 ) -> Result<()> {
     for (buf_chunk, state_chunk) in output[3..96].chunks_mut(3).take(31).zip(rgb.chunks(3)) {
-        buf_chunk[0] = state_chunk[1];
-        buf_chunk[1] = state_chunk[0];
-        buf_chunk[2] = state_chunk[2];
+        buf_chunk[0] = state_chunk[2];
+        buf_chunk[1] = state_chunk[1];
+        buf_chunk[2] = state_chunk[0];
     }
 
     device.write_bulk(0x03, output, TIMEOUT)?;
diff --git a/src/lib.rs b/src/lib.rs
index 6adf591..17cb0df 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -43,7 +43,7 @@ cfg_if::cfg_if! {
     if #[cfg(any(chuni, chusanapp))] {
         type SliderCallbackFn = unsafe extern "C" fn(data: *const u8);
 
-        use std::thread::{self, JoinHandle};
+        use std::{sync::atomic::AtomicBool, thread::{self, JoinHandle}};
 
         use ::log::info;
         use once_cell::sync::OnceCell;
@@ -69,7 +69,7 @@ cfg_if::cfg_if! {
         use crate::configuration::Configuration;
 
         static COIN_COUNT: AtomicU16 = AtomicU16::new(0);
-        static mut COIN_PRESSED: bool = false;
+        static COIN_PRESSED: AtomicBool = AtomicBool::new(false);
 
         lazy_static! {
             static ref CONFIGURATION: Configuration = {
@@ -182,12 +182,12 @@ pub unsafe extern "C" fn chuni_io_jvs_read_coin_counter(total: *mut u16) {
     if con_impl::is_coin_button_pressed(input_shmem.as_slice())
         || GetAsyncKeyState(CONFIGURATION.coin_key as c_int) != 0
     {
-        if !COIN_PRESSED {
-            COIN_PRESSED = true;
+        if !COIN_PRESSED.load(Ordering::Relaxed) {
+            COIN_PRESSED.store(true, Ordering::Relaxed);
             COIN_COUNT.fetch_add(1, Ordering::Relaxed);
         }
     } else {
-        COIN_PRESSED = false;
+        COIN_PRESSED.store(false, Ordering::Relaxed);
     }
 
     *total = COIN_COUNT.load(Ordering::Relaxed);