diff --git a/README.md b/README.md
index 05a805e..fac54d6 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ also obviously install python, version 3.9 or greater is required
   <li>install <a href="https://github.com/pypa/pipx?tab=readme-ov-file#install-pipx">pipx</a></li>
   <li>install OR update cyan: <code>pipx install --force https://github.com/asdfzxcvbn/pyzule-rw/archive/main.zip</code></li>
   <li>add cyan to PATH: <code>pipx ensurepath</code></li>
-  <li><b>if you want to inject dylibs and ARE NOT ON iOS</b>: <code>pipx inject cyan lief</code></li>
+  <li><b>if you want to inject dylibs ON AARCH64 LINUX</b>: <code>pipx inject cyan lief</code></li>
   <li><b>if you want to change app icons (iOS NOT supported)</b>: <code>pipx inject cyan Pillow</code></li>
 </ol>
 </details>
diff --git a/cyan/tbhtypes/executable.py b/cyan/tbhtypes/executable.py
index 1de3643..a7ad879 100644
--- a/cyan/tbhtypes/executable.py
+++ b/cyan/tbhtypes/executable.py
@@ -18,6 +18,7 @@ class Executable:
   ldid = f"{specific}/ldid"
   lipo = f"{specific}/lipo"
   otool = f"{specific}/otool"
+  idylib = f"{specific}/insert_dylib"
 
   starters = ("\t/Library/", "\t@rpath", "\t@executable_path")
   common = {
@@ -42,10 +43,10 @@ class Executable:
     self.bn = os.path.basename(path)
     self.inj: Optional = None  # type: ignore
 
-    if self.specific.endswith("iOS"):
-      self.inj_func = self.ios_inject
+    if os.path.isfile(self.idylib):
+      self.inj_func = self.idyl_inject
     else:
-      self.inj_func = self.insert_cmd
+      self.inj_func = self.lief_inj
 
   def is_encrypted(self) -> bool:
     proc = subprocess.run(
@@ -177,7 +178,7 @@ class Executable:
       stderr=subprocess.DEVNULL
     )
 
-  def insert_cmd(self, cmd: str) -> None:
+  def lief_inj(self, cmd: str) -> None:
     if self.inj is None:  # type: ignore
       try:
         lief.logging.disable()  # type: ignore
@@ -186,17 +187,22 @@ class Executable:
 
       self.inj = lief.parse(self.path)  # type: ignore
 
-    self.inj.add(lief.MachO.DylibCommand.weak_lib(cmd))  # type: ignore
+    try:
+      self.inj.add(lief.MachO.DylibCommand.weak_lib(cmd))  # type: ignore
+    except AttributeError:
+      sys.exit("[!] couldn't add LC (lief), did you use a valid app?")
 
-  def ios_inject(self, cmd: str) -> None:
-    subprocess.run(
+  def idyl_inject(self, cmd: str) -> None:
+    proc = subprocess.run(
       [
-        f"{self.specific}/insert_dylib",
-        "--weak", "--inplace", "--no-strip-codesig", "--all-yes",
+        self.idylib, "--weak", "--inplace", "--strip-codesig", "--all-yes",
         cmd, self.path
-      ], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
+      ], capture_output=True, text=True
     )
 
+    if proc.returncode != 0:
+      sys.exit(f"[!] couldn't add LC (insert_dylib), error:\n{proc.stderr}")
+
   def fix_dependencies(self, tweaks: dict[str, str], need: set[str]) -> None:
     self.remove_signature()
 
diff --git a/cyan/tbhutils.py b/cyan/tbhutils.py
index 1b76a2e..0b142a0 100644
--- a/cyan/tbhutils.py
+++ b/cyan/tbhutils.py
@@ -106,11 +106,12 @@ def get_tools_dir() -> tuple[str, str]:
   # thank god i dont have to use importlib,
   # it's the WORST standard library package prior to 3.12
   install_dir = os.path.dirname(__file__)
+  specific_dir = f"{install_dir}/tools/{system}/{mach}"
 
-  return (
-    install_dir,
-    f"{install_dir}/tools/{system}/{mach}"
-  )
+  if not os.path.isdir(specific_dir):
+    sys.exit(f"[!] cyan is not supported on: {system} {mach}")
+
+  return (install_dir, specific_dir)
 
 
 def delete_if_exists(path: str, bn: str) -> bool:
diff --git a/cyan/tools/Darwin/arm64/insert_dylib b/cyan/tools/Darwin/arm64/insert_dylib
new file mode 100755
index 0000000..b716afc
Binary files /dev/null and b/cyan/tools/Darwin/arm64/insert_dylib differ
diff --git a/cyan/tools/Darwin/x86_64/insert_dylib b/cyan/tools/Darwin/x86_64/insert_dylib
new file mode 100755
index 0000000..a8cbf48
Binary files /dev/null and b/cyan/tools/Darwin/x86_64/insert_dylib differ
diff --git a/cyan/tools/Linux/x86_64/insert_dylib b/cyan/tools/Linux/x86_64/insert_dylib
new file mode 100755
index 0000000..fab6003
Binary files /dev/null and b/cyan/tools/Linux/x86_64/insert_dylib differ